What are the two main layers of the skin?

The two main layers of the skin are the epidermis (outer layer) and the dermis (inner layer).

Which layer of the epidermis is responsible for producing new skin cells through mitosis?

The stratum germinativum (stratum basale) is the deepest epidermal layer where new skin cells are produced through mitosis.

What protein makes up the outermost layer of the skin and provides a protective barrier?

Keratin is the fibrous protein that makes up the stratum corneum and provides the skin's protective barrier.

Which cells in the epidermis are responsible for producing melanin?

Melanocytes are the specialized cells in the stratum germinativum that produce melanin, the pigment that gives skin its color.

What two proteins found in the dermis give skin its strength and elasticity?

Collagen provides strength and structure, while elastin provides flexibility and elasticity to the skin.

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Skin Care Basics – Illinois Cosmetology State Board Exam

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